| Presentation | 2003/5/19 Electronic states of fluorescent pyrazine dyes in single crystals Shinya MATSUMOTO, Kazuko SHIRAI, Mitsuhiro YANAGITA, Hidehiro UEKUSA, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | The title dyes are based on a 2,5-diamino-3,6-dicyanopyrazine chromophoric system. These dyes have been of interest in various applications because of their intense fluorescence in solution and in the solid state. They have been also found to have some crystal polymorphs depending on the substituents on the amino groups. These polymorphs show different color appearance. In order to clarify the electronic states in the crystalline state, crystal and electronic structures were investigated for red and yellow crystals of the alkylbenzyl derivatives and an orange crystal of the phenylbenzyl derivative. The deformation of the chromophoric system was found to be qualitatively correlated with the color appearance of the crystals by molecular orbital calculations and estimation of intermolecular interactions. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | 2,5-diamino-3,6-dicyanopyrazine / fluorescent dye / polymorph / electronic state / deformation of chromophore |
| Paper # | OME2003-20 |
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| Conference Information | |
| Committee | OME |
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| Conference Date | 2003/5/19(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Organic Material Electronics (OME) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Electronic states of fluorescent pyrazine dyes in single crystals |
| Sub Title (in English) | |
| Keyword(1) | 2,5-diamino-3,6-dicyanopyrazine |
| Keyword(2) | fluorescent dye |
| Keyword(3) | polymorph |
| Keyword(4) | electronic state |
| Keyword(5) | deformation of chromophore |
| 1st Author's Name | Shinya MATSUMOTO |
| 1st Author's Affiliation | Faculty of Education and Human Sciences, Yokohama National University() |
| 2nd Author's Name | Kazuko SHIRAI |
| 2nd Author's Affiliation | Faculty of Education and Human Sciences, Yokohama National University |
| 3rd Author's Name | Mitsuhiro YANAGITA |
| 3rd Author's Affiliation | R&D Laboratory for High-Performance Materials, Nippon Soda Co., Ltd. |
| 4th Author's Name | Hidehiro UEKUSA |
| 4th Author's Affiliation | Graduate School of Science and Engineering, Tokyo Institute of Technology |
| Date | 2003/5/19 |
| Paper # | OME2003-20 |
| Volume (vol) | vol.103 |
| Number (no) | 84 |
| Page | pp.pp.- |
| #Pages | 5 |
| Date of Issue | |